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adm5120: add 3.3 support

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Partially based on the 3.1 patches by Hartmut Knaack <knaack.h [at] gmx.de>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31474 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-04-25 12:57:33 +00:00
parent 0e8ddda2ee
commit 05735d303b
26 changed files with 2841 additions and 0 deletions
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166
target/linux/adm5120/patches-3.3/a13-adm5120_flash-3.3-fixes.patch Normal file
View File

@@ -0,0 +1,166 @@
--- a/drivers/mtd/maps/adm5120-flash.c
+++ b/drivers/mtd/maps/adm5120-flash.c
@@ -54,10 +54,6 @@ struct adm5120_flash_info {
struct resource *res;
struct platform_device *dev;
struct adm5120_map_info amap;
-#ifdef CONFIG_MTD_PARTITIONS
- int nr_parts;
- struct mtd_partition *parts[MAX_PARSED_PARTS];
-#endif
};
struct flash_desc {
@@ -96,7 +92,6 @@ static const char const *probe_types[] =
NULL
};
-#ifdef CONFIG_MTD_PARTITIONS
static const char const *parse_types[] = {
"cmdlinepart",
#ifdef CONFIG_MTD_REDBOOT_PARTS
@@ -106,7 +101,6 @@ static const char const *parse_types[] =
"MyLoader",
#endif
};
-#endif
#define BANK_SIZE (2<<20)
#define BANK_SIZE_MAX (4<<20)
@@ -318,89 +312,6 @@ static void adm5120_flash_initbanks(stru
info->mtd->size = info->amap.window_size;
}
-#ifdef CONFIG_MTD_PARTITIONS
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
- struct adm5120_flash_platform_data *pdata;
- struct map_info *map = &info->amap.map;
- int num_parsers;
- const char *parser[2];
- int err = 0;
- int nr_parts;
- int i;
-
- info->nr_parts = 0;
-
- pdata = info->dev->dev.platform_data;
- if (pdata == NULL)
- goto out;
-
- if (pdata->nr_parts) {
- MAP_INFO(map, "adding static partitions\n");
- err = add_mtd_partitions(info->mtd, pdata->parts,
- pdata->nr_parts);
- if (err == 0) {
- info->nr_parts += pdata->nr_parts;
- goto out;
- }
- }
-
- num_parsers = ARRAY_SIZE(parse_types);
- if (num_parsers > MAX_PARSED_PARTS)
- num_parsers = MAX_PARSED_PARTS;
-
- parser[1] = NULL;
- for (i = 0; i < num_parsers; i++) {
- parser[0] = parse_types[i];
-
- MAP_INFO(map, "parsing \"%s\" partitions\n",
- parser[0]);
- nr_parts = parse_mtd_partitions(info->mtd, parser,
- &info->parts[i], 0);
-
- if (nr_parts <= 0)
- continue;
-
- MAP_INFO(map, "adding \"%s\" partitions\n",
- parser[0]);
-
- err = add_mtd_partitions(info->mtd, info->parts[i], nr_parts);
- if (err)
- break;
-
- info->nr_parts += nr_parts;
- }
-out:
- return err;
-}
-#else
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
- return 0;
-}
-#endif /* CONFIG_MTD_PARTITIONS */
-
-#ifdef CONFIG_MTD_PARTITIONS
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
- int i;
-
- if (info->nr_parts) {
- del_mtd_partitions(info->mtd);
- for (i = 0; i < MAX_PARSED_PARTS; i++)
- if (info->parts[i] != NULL)
- kfree(info->parts[i]);
- } else {
- del_mtd_device(info->mtd);
- }
-}
-#else
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
- del_mtd_device(info->mtd);
-}
-#endif
-
static int adm5120_flash_remove(struct platform_device *dev)
{
struct adm5120_flash_info *info;
@@ -412,7 +323,7 @@ static int adm5120_flash_remove(struct p
platform_set_drvdata(dev, NULL);
if (info->mtd != NULL) {
- adm5120_flash_remove_mtd(info);
+ mtd_device_unregister(info->mtd);
map_destroy(info->mtd);
}
@@ -429,11 +340,18 @@ static int adm5120_flash_remove(struct p
static int adm5120_flash_probe(struct platform_device *dev)
{
+ struct adm5120_flash_platform_data *pdata;
struct adm5120_flash_info *info;
struct map_info *map;
const char **probe_type;
int err;
+ pdata = dev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&dev->dev, "no platform data\n");
+ return -EINVAL;
+ }
+
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (info == NULL) {
err = -ENOMEM;
@@ -484,16 +402,11 @@ static int adm5120_flash_probe(struct pl
info->mtd->owner = THIS_MODULE;
- err = adm5120_flash_initparts(info);
+ err = mtd_device_parse_register(info->mtd, parse_types, 0,
+ pdata->parts, pdata->nr_parts);
if (err)
goto err_out;
- if (info->nr_parts == 0) {
- MAP_INFO(map, "no partitions available, registering "
- "whole flash\n");
- add_mtd_device(info->mtd);
- }
-
return 0;
err_out: